DELL E173FP Service Manual

11.ISP (In System Program) User Manual

11.1.Connect ISP Writer preparation action:

Connect RXD and TXD of PC to RXD (P3.0) and TXD (P3.1) of CPU through RS-232.

a.There are two ways to entering Reboot Mode. The settings for Reboot Mode is as follow: ☆Both P2.6、P2.7 are LOW and RESET pin is HI.

☆P4.3 is LOW and RESET pin is HI .

11.2.To Use ISP WRITER

Press the “–“key at front bezel and plug the AC power cord in, then the MCU enter ISP mode; a. You will enter the window as follow after executing the ispwriter.exe file.

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Dell E173FP service manual Connect ISP Writer preparation action:, To Use ISP Writer